Influence of the atmosphere and ocean on the resonant polar motion

来源 :International Symposium & Summer School on Planetary Science | 被引量 : 0次 | 上传用户：songyinming

【摘要】

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【作者】

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Leonid Zotov Christian Bizouard

【机构】

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Sternberg Astronomical Institute,Lomonosov Moscow State University,Russia

【出处】

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International Symposium & Summer School on Planetary Science

【发表日期】

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2013年4期

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　　Observed motion of the Earths rotation axis exhibits mostly two resonances.One is the resonance of the polar motion with respect to the Earths surface, at the Chandler frequency of 0.843 cycles per year.On the other hand the oscillation of the rotation axis with respect to stars, the so-called precession-nutation, possess a resonance at 0.849 cycle per year, and is attributed to the Free Core Nutation (FCN).

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Influence of the atmosphere and ocean on the resonant polar motion

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